diff --git a/platform/darwin/src/native_apple_interface.m b/platform/darwin/src/native_apple_interface.m
index 7547c7fb7..2262251e2 100644
--- a/platform/darwin/src/native_apple_interface.m
+++ b/platform/darwin/src/native_apple_interface.m
@@ -53,13 +53,21 @@ static MGLNativeNetworkManager *instance = nil;
 }
 
 - (void)debugLog:(NSString *)format, ... {
-    // TODO: Replace with existing mbgl logging handling.
-    [self.delegate debugLog:format];
+    va_list formatList;
+    va_start(formatList, format);
+    NSString *formattedMessage = [[NSString alloc] initWithFormat:format arguments:formatList];
+    va_end(formatList);
+
+    [self.delegate debugLog:formattedMessage];
 }
 
 - (void)errorLog:(NSString *)format, ... {
-    // TODO: Replace with existing mbgl logging handling.
-    [self.delegate errorLog:format];
+    va_list formatList;
+    va_start(formatList, format);
+    NSString *formattedMessage = [[NSString alloc] initWithFormat:format arguments:formatList];
+    va_end(formatList);
+
+    [self.delegate errorLog:formattedMessage];
 }
 
 @end
diff --git a/platform/ios/platform/darwin/src/MGLNetworkConfiguration.mm b/platform/ios/platform/darwin/src/MGLNetworkConfiguration.mm
index 77bf737d8..7826881ce 100644
--- a/platform/ios/platform/darwin/src/MGLNetworkConfiguration.mm
+++ b/platform/ios/platform/darwin/src/MGLNetworkConfiguration.mm
@@ -122,11 +122,21 @@ NSString * const kMGLDownloadPerformanceEvent = @"mobile.performance_trace";
 }
 
 - (void)debugLog:(NSString *)format, ... {
-    MGLLogDebug(format);
+    va_list formatList;
+    va_start(formatList, format);
+    NSString *formattedMessage = [[NSString alloc] initWithFormat:format arguments:formatList];
+    va_end(formatList);
+
+    MGLLogDebug(formattedMessage);
 }
 
 - (void)errorLog:(NSString *)format, ... {
-    MGLLogError(format);
+    va_list formatList;
+    va_start(formatList, format);
+    NSString *formattedMessage = [[NSString alloc] initWithFormat:format arguments:formatList];
+    va_end(formatList);
+
+    MGLLogError(formattedMessage);
 }
 
 #pragma mark - Event management